User`s guide

Prepared
Document responsible/Approved Kontr/Checked
Subject responsible
Date Rev.
Document no.
File reference
99-07-15 U
155 34-ASB 150 02 Uen
FACILITY DESCRIPTION
27(54)
9 TONE MESSAGES
ASB 150 02 supplies various tone messages as
information to users.
As different markets have different requirements with
regard both to tone character and also levels and
frequencies, there are various configurations of tones.
The following tone messages show the standard tone
diagram.
10 RING SIGNALS
ASB 150 02 uses three different ring signals to inform
the called party of the origin of the call.
Like tone signals, ring signals are market dependent.
The following ring signals are obtained when the
ASB 150 02 system is started for the first time.
11 LAMP MESSAGES
The system telephones and OPERATOR Console
possess lamps that supply information relevant to the
state of various traffic functions.
The following lamp messages can be obtained:
TONE CHARACTER
Dial tone:
System ready to accept
digits
Special dial tone:
System ready to accept
digits but telephone has
ongoing diversion
Ringing tone:
Ring signal is sent to
called party
( repeated after 4 s )
Special ringing tone:
Ring signal is sent to
Line 2 on system
telephone
( repeated after 4 s )
Busy tone:
Called party is busy.
Number unobtainable
(Vacant) tone:
Called number not
accessible or is vacant
Blocking
(Congestion) tone:
Call cannot be executed
due to congestion or
because called party is
blocked
Verification tone:
Obtained as verification
that ordered facility is
accessed
Intrusion tone:
Sent to all parties when
an intrusion takes place
Conference tone:
Sent to all participants
in a conference
( repeated after 15 s )
RINGSIGNAL CHARACTER
Internal ringing signal
( repeated after 4 s )
External ringing signal
( repeated after 4 s )
Automatic callback s.
SIGNIFICANCE CHARACTER
Function free extinguished
Function busy or line occupied
by another party
Steady glow
Incoming call Rapid flashes
Function parked Slow flashes
Connected traffic function.
On a telephone only one key at
a time can have this flash signal
Lamp flickers
TONE CHARACTER